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Might be a stupid question, but would it be possible to let each bakers emmit a random number each time a block is baked, then aggregate those numbers, make a hash from the result, and store it in the block?

That would provide a way to get an unpredictable random number on-chain for each blocks?

I still struggle to get a random number for NFT random generation

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  • If the baker chooses it, it is not unpredictable for him.
    – Raphaël Cauderlier
    Nov 8, 2022 at 16:13

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That is how randomness for PoS is generated. That plus a VDF. The issue with this scheme is that, while it's quite robust, producing entropy takes quite a long time.

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  • Thank you Arthur, I was just watching your TezDev Paris 2022 video this afternoon, I strongly believe in on chain gaming on Tezos but can't wrap my head around an efficient way to use randomization, which is an essential part of game development
    – Matt Sparrer
    Nov 8, 2022 at 20:02
  • Ask another question then, namely, "how to get randomness for my game" and I'll happily answer that too :-)
    – Arthur B
    Nov 8, 2022 at 21:38
  • Thanks :) tezos.stackexchange.com/questions/4475/…
    – Matt Sparrer
    Nov 8, 2022 at 21:41

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